Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For exampl

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an

When the carrier frequency increases, noise and leakage current increase accordingly. To prevent the noise and leakage c

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these

The carrier frequency is initially set to 7 kHz. (When Pr.10 is set to "---", you can set or change the setting using Pr

You can do it by using the optional DIN rail attachment (FR-DU01/02).

You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type

With the FREQROL-U100 series, pressing and holding the [SET] switches to the current monitor.

The key sheet fixed to the inverter is used for operation. Therefore, the conventional parameter unit cannot be used. (T

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FAQ within [ FREQROL-U100 ]

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Energy saving effect of inverter operation

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. 　For example, to control air volume of an air co... More Details >>
- No：21622
- Release Date：2018/08/22 16:28
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
Relationship between undervoltage warning and instantaneous power failure

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>
- No：21974
- Release Date：2018/08/22 16:30
Noise and leakage current (tone modulation control) of low-noise series

When the carrier frequency increases, noise and leakage current increase accordingly. To prevent the noise and leakage current from increasing while keeping ... More Details >>
- No：21599
- Release Date：2018/08/22 16:28
Speed setting

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these are both input simultaneously. When t... More Details >>
- No：21424
- Release Date：2018/08/22 16:27
Carrier frequency of low-noise series

The carrier frequency is initially set to 7 kHz. (When Pr.10 is set to "---", you can set or change the setting using Pr.72.) Raising the carrier frequency r... More Details >>
- No：21600
- Release Date：2018/08/22 16:28
DIN rail installation

You can do it by using the optional DIN rail attachment (FR-DU01/02). More Details >>
- No：21598
- Release Date：2018/08/22 16:28
Can I use digital operation panel FR-DU01?

You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type only. (Note that the FR-DU01 is an op... More Details >>
- No：21595
- Release Date：2018/08/22 16:28
Monitoring current value

With the FREQROL-U100 series, pressing and holding the [SET] switches to the current monitor. More Details >>
- No：22073
- Release Date：2018/08/22 16:30
Are conventional parameter units still available?

The key sheet fixed to the inverter is used for operation. Therefore, the conventional parameter unit cannot be used. (There is no connector to connect it.)O... More Details >>
- No：21597
- Release Date：2018/08/22 16:28

1-10 of Total 16

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